MEDIUM 5.1 NVD
CVE-2026-40508
OpenEMR before 8.3.0 contains a stored cross-site scripting vulnerability in the patient portal template import handler that allows authenticated attackers with
OpenEMR before 8.3.0 contains a stored cross-site scripting vulnerability in the patient portal template import handler that allows authenticated attackers with Forms Administration permissions to upload template files containing arbitrary HTML or JavaScript. Attackers can inject malicious scripts through the template upload functionality, which are stored without sanitization and execute in the browser of any other Forms Administration user who views the template in the HTML editor.
References
- https://github.com/openemr/openemr/commit/ba316dd1d8de1291102da3f20f64240729ff899e
- https://github.com/openemr/openemr/releases/tag/v8_3_0
- https://github.com/openemr/openemr/security/advisories/GHSA-5293-8q47-cf44
- https://www.vulncheck.com/advisories/openemr-stored-xss-via-patient-portal-template-import
- https://github.com/openemr/openemr/security/advisories/GHSA-5293-8q47-cf44
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-08-19 via NVD.
vulnfeed aggregates 11644 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.